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All of the graphs in this article were of 'childhood wakeup time.' The conclusion was that smarter children wake up later than dumber children. One possible ex

All of the graphs in this article were of 'childhood wakeup time.' The conclusion was that smarter children wake up later than dumber children. One possible explanation of this: children in privileged families don't have to take the bus or walk to school. Therefore, they can afford to wake up 40 minutes later on weekdays! So they go to sleep later. They also live in safe neighborhoods where it's reasonable for teenagers to be out at one in the morning. You can draw almost no conclusions from this article. It's embarrassing how many people want to spin this to "I'm smart cause I stay up late."

ewjordan 16y ago
All of the graphs in this article were of 'childhood wakeup time.' AFAICT, it appears to be a graph of childhood IQ vs. adult wakeup time - unless, that is, the average child is going to bed around midnight, which seems wrong to me. In any case, though, I don't think these graphs have much to say about any true night-owls - if you're anything like me, you're not going to bed a few minutes after midnight, it's more like 6 AM, which would probably remove us from this data set altogether as outliers...